[Orca-dev] Sorting in orca

[Dmitry Berezin]

I'm not very "fluent" in perl, so I can not easily find and fix or even
assess the magnitude of the issue. I do suspect, though, that this will not
require any major changes to the code.

 

The issue:

 

When orca reads the data files and combines multiple graphs onto one - tape
drive utilization, for example, it adds multiple data to the graph in the
order it is found in the data file. In many cases, it would be great to see
that data sorted (for instance, it would be better to see tape drives listed
in order from 0 to n, rather then randomly). Also, without "volatile" patch,
changing the order of the same data in the data files, will cause orca to
generate new graph for the same set of data.

Of course, in most (not all, though) cases, it is possible to do the sorting
before storing data in the files, but I think it would be much more
beneficial to have orca (the presentation layer) do that work.

 

I suggest that the new plot option is implemented (say sorted), that will
control sorting for each plot.

 

Thank you,

 

  -Dmitry.

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